// pages/goods_detail/goods_detail.js
import { request } from "../../request/index";
Page({
  /**
   * 页面的初始数据
   */
  data: {
    goodsObj: {},
    isCollect: false,
  },
  GoodsInfo: {},
  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {},

  /**
   * 生命周期函数--监听页面初次渲染完成
   */
  onReady: function () {},

  /**
   * 生命周期函数--监听页面显示
   */
  onShow: function () {
    let pages = getCurrentPages();
    let currentPage = pages[pages.length - 1];
    let options = currentPage.options;
    const { goods_id } = options;
    this.getGoodsDetail(goods_id);
  },
  async getGoodsDetail(goods_id) {
    const goodsObj = await request({
      url: "/goods/detail",
      data: {
        goods_id,
      },
    });
    this.GoodsInfo = goodsObj;
    console.log(this.GoodsInfo);
    let collect = wx.getStorageSync("collect") || [];
    let isCollect = collect.some((v) => {
      return v.goods_id === this.GoodsInfo.goods_id;
    });
    this.setData({
      goodsObj: {
        goods_name: goodsObj.goods_name,
        goods_price: goodsObj.goods_price,
        goods_introduce: goodsObj.goods_introduce.replace(/\.webp/g, ".jpg"),
        pics: goodsObj.pics,
      },
      isCollect,
    });
  },
  handlePreviewImage(e) {
    const urls = this.GoodsInfo.pics.map((v) => v.pics_mid);
    const current = e.currentTarget.dataset.url;
    wx.previewImage({
      current,
      urls,
    });
  },
  handleCartAdd() {
    let cart = wx.getStorageSync("cart") || [];
    let index = cart.findIndex((v) => v.goods_id === this.GoodsInfo.goods_id);
    if (index === -1) {
      this.GoodsInfo.num = 1;
      this.GoodsInfo.checked = true;
      cart.push(this.GoodsInfo);
    } else {
      cart[index].num++;
    }
    wx.setStorageSync("cart", cart);
    wx.showToast({
      title: "加入成功",
      mask: true,
    });
  },
  handleCollect() {
    let isCollect = false;
    let collect = wx.getStorageSync("collect") || [];
    let index = collect.findIndex(
      (v) => v.goods_id === this.GoodsInfo.goods_id
    );
    if (index !== -1) {
      collect.splice(index, 1);
      isCollect = false;
      wx.showToast({
        title: "取消成功",
        icon: "success",
        mask: true,
      });
    } else {
      collect.push(this.GoodsInfo);
      isCollect = true;
      wx.showToast({
        title: "收藏成功",
        icon: "success",
        mask: true,
      });
    }
    wx.setStorageSync("collect", collect);

    this.setData({
      isCollect,
    });
  },

  /**
   * 生命周期函数--监听页面隐藏
   */
  onHide: function () {},

  /**
   * 生命周期函数--监听页面卸载
   */
  onUnload: function () {},

  /**
   * 页面相关事件处理函数--监听用户下拉动作
   */
  onPullDownRefresh: function () {},

  /**
   * 页面上拉触底事件的处理函数
   */
  onReachBottom: function () {},

  /**
   * 用户点击右上角分享
   */
  onShareAppMessage: function () {},
});
